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Welcome to the Montgomery County, Ohio Auditor's GIS home page.


The Montgomery County Auditor's Office makes every effort to produce and publish the most correct and accurate information possible. The County assumes no responsibility for errors in the information and does not guarantee that the data are free from errors or inaccuracies. Similarly the County assumes no responsibility for the consequences of inappropriate uses or interpretations of the data. No warranties, expressed or implied, are provided for the data herein, its use, or its interpretation. Utilization of the search facility indicates understanding and acceptance of this statement by the user.

Note: ** Use "NEW GIS MAP" Link (html) for Windows 10 and Note Pads**
New version out now works with Windows 10 (Does not need Silverlight).

We are located at:
Montgomery County Administration Building
GIS Department
3rd Floor
451 West Third Street
Dayton, Ohio 45422
Phone Number (937) 225-4737